Question

9 b dan c, yg bisa tolong bantu. mksh...

Answer 1

B. f(x) = x^2 - x
a = 1
b = -1
c = 0

y min = (b^2 - 4ac)/(-4a)
y min = ((-1)^2 - 4 . 1 . 0)/(-4 . 1)
y min = (1 - 0)/(-4)
y min = -1/4

c. f(x) = 0
x^2 - x = 0
x(x - 1) = 0
x = 0 atau x = 1